Convert //sandbox to use std::unique_ptr

sandbox/win/src/handle_closer.cc

Index: sandbox/win/src/handle_closer.cc
diff --git a/sandbox/win/src/handle_closer.cc b/sandbox/win/src/handle_closer.cc
index 962e4411ffd05daa1d53586099a98d56174aef94..038cae98f88ca8cea6cf45ddb887a8f26a5a9657 100644
--- a/sandbox/win/src/handle_closer.cc
+++ b/sandbox/win/src/handle_closer.cc
@@ -6,9 +6,10 @@
 
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/logging.h"
 #include "base/memory/free_deleter.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/win/windows_version.h"
 #include "sandbox/win/src/interceptors.h"
 #include "sandbox/win/src/internal_types.h"
@@ -96,7 +97,7 @@ bool HandleCloser::InitializeTargetHandles(TargetProcess* target) {
     return true;
 
   size_t bytes_needed = GetBufferSize();
-  scoped_ptr<size_t[]> local_buffer(
+  std::unique_ptr<size_t[]> local_buffer(
       new size_t[bytes_needed / sizeof(size_t)]);
 
   if (!SetupHandleList(local_buffer.get(), bytes_needed))
@@ -175,7 +176,7 @@ bool GetHandleName(HANDLE handle, base::string16* handle_name) {
     ResolveNTFunctionPtr("NtQueryObject", &QueryObject);
 
   ULONG size = MAX_PATH;
-  scoped_ptr<UNICODE_STRING, base::FreeDeleter> name;
+  std::unique_ptr<UNICODE_STRING, base::FreeDeleter> name;
   NTSTATUS result;
 
   do {